由于唯一的违规,平原INSERT会引发EXCEPTION,并且回滚所有内容(除了无法回滚的内容,例如递增序列)。 但是UPSERT 会ON CONFLICT DO NOTHING抑制异常,因此即使跳过建议插入的行,任何此类触发器的影响仍然存在。 (因此,当使用 时ON CONFLICT DO UPDATE ...,此类触发器的效果会反映在零件EXCLUDED中可见的特殊行中UPDATE。) ...
相对于普通INSERT语法,覆盖写主要增加了ON CONFLICT子句,该子句分为两部分,分别是: conflict_target,用于指定在哪些列上有冲突。conflict_target在conflict_action为DO NOTHING时可省略,在conflict_action为DO UPDATE时,需要指定一个列表,指定主键列的列表或Unique Index列的列表 conflict_action,用于指定冲突后需要执行的...
PR Info Closes On conflict do nothing for MySQL #1790 New Features MySQL insert on conflict do nothing https://dev.mysql.com/doc/refman/8.4/en/insert-on-duplicate.html
Expected behavior I expect JOOQ to create (logical) identical queries with MERGE for different dialects, when not using POSTGRES or SQLITE. I tried to do an onConflict(FILE_NAME).doNothing() to skip entries that would duplicate this colu...
但是，这是一种非常低效的用电方式，因此大多数CPU支持许多低功耗状态，内核可以将它们置于低功耗状态，...
How to do this bulk insert efficiently ? Using PostgreSQL 13.2, compiled by Visual C++ build 1900, 64-bit Posted also in https://stackoverflow.com/questions/67683299/on-conflict-do-nothing-clause-is-ignored-on-insert Andrus. Re: ON CONFLICT DO NOTHING ignored on bulk insert From Geoff ...
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相对于普通INSERT语法,覆盖写主要增加了ON CONFLICT子句,该子句分为两部分,分别是: conflict_target,用于指定在哪些列上有冲突。conflict_target在conflict_action为DO NOTHING时可省略,在conflict_action为DO UPDATE时,需要指定一个列表,指定主键列的列表或Unique Index列的列表 ...
if!buildutil.CrdbTestBuild{ return } then run > create table t (a text primary key, b text, UNIQUE INDEX idx (b) WHERE a = 'xyz'); > INSERT INTO t values ('a', 'b') ON CONFLICT DO NOTHING; ERROR: internal error: lookup join with columns that are not required SQLSTATE: XX00...
I am trying to insert records only if there is no conflict based on a unique field. I tried the following await _context.BulkInsertAsync(records, new BulkConfig { SetOutputIdentity = true, PropertiesToIncludeOnUpdate = new List<string>() { string.Empty }, // do nothing if exists Update...